Gastro Bleeds

Question 1

What can indicate an upper GI bleed versus lower GI bleed

Answer 1

High urea levels can indicate an upper GI bleed versus lower GI bleed

Question 2

What would you see raised urea in upper GI bleed compared to low GI Bleed?

Answer 2

a raised urea may be seen due to the ‘protein meal’ of the blood